Products Snowmobile- PolarisGasket Back Reed Gasket 09-717270 / 717270 / 5412817 Item Number: 09-717270 Windersa Number: 717270 OEM Number: 5412817 Fit on models: Polaris 440PRO X You May Also Be Interested In Exhaust Gasket 09-718190 / 718190 / 5811799 Exhaust Gasket 09-718186 / 718186 / 3085174 Double Gasket (0.6MM) 420-831-021 Seal Kit 439967 / 0439967 / 0984458 / 0985613 / 0439967